v3.26.1
Investment Securities - Available For Sale with Unrealized Losses, Aggregated by Category and Period of Continuous Unrealized Loss (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Available for sale securities    
Less than 12 months Fair Value $ 12,263,000 $ 1,736,000
Less than 12 months Unrealized Losses 40,000 2,000
12 months or longer Fair Value 48,999,000 56,197,000
12 months or longer Unrealized Losses 3,810,000 3,867,000
Total Fair Value 61,262,000 57,933,000
Total Unrealized Losses 3,850,000 3,869,000
Unallocated portfolio layer method fair value basis adjustments (4,000) 2,000
U.S. agency mortgage-backed securities    
Available for sale securities    
Less than 12 months Fair Value 82,000 4,000
Less than 12 months Unrealized Losses 1,000 0
12 months or longer Fair Value 37,618,000 41,394,000
12 months or longer Unrealized Losses 3,196,000 3,151,000
Total Fair Value 37,700,000 41,398,000
Total Unrealized Losses 3,197,000 3,151,000
Less than 12 months unrealized losses less than stated amount   500
U.S. Treasury securities    
Available for sale securities    
Less than 12 months Fair Value 8,964,000 1,558,000
Less than 12 months Unrealized Losses 26,000 0
12 months or longer Fair Value 2,621,000 5,424,000
12 months or longer Unrealized Losses 120,000 182,000
Total Fair Value 11,585,000 6,982,000
Total Unrealized Losses 146,000 182,000
Less than 12 months unrealized losses less than stated amount   500
Corporate debt securities    
Available for sale securities    
Less than 12 months Fair Value 405,000 0
Less than 12 months Unrealized Losses 2,000 0
12 months or longer Fair Value 4,591,000 4,667,000
12 months or longer Unrealized Losses 327,000 360,000
Total Fair Value 4,996,000 4,667,000
Total Unrealized Losses 329,000 360,000
Asset-backed securities    
Available for sale securities    
Less than 12 months Fair Value 2,787,000 147,000
Less than 12 months Unrealized Losses 11,000 0
12 months or longer Fair Value 3,640,000 4,046,000
12 months or longer Unrealized Losses 121,000 133,000
Total Fair Value 6,427,000 4,193,000
Total Unrealized Losses 132,000 133,000
Less than 12 months unrealized losses less than stated amount   500
U.S. state and municipal securities    
Available for sale securities    
Less than 12 months Fair Value 25,000 27,000
Less than 12 months Unrealized Losses 0 2,000
12 months or longer Fair Value 399,000 534,000
12 months or longer Unrealized Losses 35,000 32,000
Total Fair Value 424,000 561,000
Total Unrealized Losses 35,000 34,000
Less than 12 months unrealized losses less than stated amount 500  
Non-agency commercial mortgage-backed securities    
Available for sale securities    
Less than 12 months Fair Value 0 0
Less than 12 months Unrealized Losses 0 0
12 months or longer Fair Value 112,000 113,000
12 months or longer Unrealized Losses 8,000 7,000
Total Fair Value 112,000 113,000
Total Unrealized Losses 8,000 7,000
Other    
Available for sale securities    
Less than 12 months Fair Value 0 0
Less than 12 months Unrealized Losses 0 0
12 months or longer Fair Value 18,000 19,000
12 months or longer Unrealized Losses 3,000 2,000
Total Fair Value 18,000 19,000
Total Unrealized Losses $ 3,000 $ 2,000